|
Pension and Other Postretirement Benefits (Narrative) (Details) (USD $)
In Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2011
|
Jun. 30, 2010
|
Jun. 30, 2011
|
Jun. 30, 2010
|
|
| Pension and other postretirement benefit cost capitalized | $ 1.7 | $ 4.0 | $ 8.8 | $ 7.1 |
|
Pension Benefits [Member]
|
||||
| Expected contribution to plans | 149.7 | 149.7 | ||
| Defined benefit plan, contributions by employer | 111.0 | |||
|
Other Postretirement Benefits [Member]
|
||||
| Expected contribution to plans | 49.3 | 49.3 | ||
| Defined benefit plan, contributions by employer | $ 21.2 | |||